Thumb insertion portion of a baseball mitt



FIG. 1 is a front elevational view thereof of my new design;

FIG. 2 is rear elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a bottom view thereof; and,

FIG. 6 is a perspective view thereof.

The broken-lines showing the environmental parts of the thumb insertionportion in the figures are for illustrative purpose only, and form nopart of the claimed invention. The broken-lines appearing in the thumbinsertion portion illustrate the stitching provided thereon.

The ornamental design for the thumb insertion portion of a baseballmitt, as shown and described.